Mike Pring is a senior environmental engineer with Eastern Research Group with more than 21 years of experience in the air quality consulting field. Mr. Pring has extensive experience in emissions inventory development and regulatory analysis for the oil and gas sector for federal, state, and local air quality agencies. He is currently supporting the US EPA in development of a National Oil and Gas Area Source Emissions Estimation tool and in Subpart W of the Greenhouse Gas Reporting Rule, and has worked with the Texas Commission on Environmental Quality (TCEQ) on several shale gas projects related to emissions from drilling operations, condensate tanks, and compressor engines. Mr. Pring has also been involved in the permitting of oil and gas-related operations in Alaska and Pennsylvania.